Introduction-to-IT Exam Dumps : WGU Introduction to ITKS02

1.Lexical Analysis:

oThe source code is first tested by the compiler’s lexer, which breaks it down into tokens (such as keywords, identifiers, operators, and punctuation).

oThis step identifies the individual elements of the program.

2.Syntactic and Semantic Analysis:

oThe compiler performs syntactic analysis, checking the source code for syntax errors and ensuring it follows the correct language-specific rules.

oIf any errors occur, the compiler throws an error and stops the compilation.

oAdditionally, the compiler performs semantic analysis to find the meaning of the code.

oIt checks for logical errors, such as type mismatches, undeclared variables, and incorrect usage of operators.

3.Optimization:

oOnce the code is syntactically correct, the compiler performs low-level optimization to improve performance.

oThis may involve reducing memory usage or optimizing code for speed by rearranging instructions or eliminating unnecessary operations.

4.Output Code Generation:

oFinally, the compiler generates machine code corresponding to the original source code.

oThe resulting machine code resides in a binary file that the computer’s hardware can execute directly.

Why Do We Use Compilers?

•Compilers catch syntax and semantic errors before running the code, saving time and preventing crashes.

•They optimize code for efficient execution, resulting in faster, more compact programs.

Disadvantages of a Compiler:

•Compiled code is platform-dependent, meaning it produces a machine-specific executable file.

•Code compiled on one type of machine won’t run on another type without recompilation1.

References

1.GeeksforGeeks

2.Built In

3.Wikipedia

Data mirroring is an important business continuity strategy because it maintains a synchronized copy of data on a separate storage system or site. In Information Technology, mirroring supports rapid recovery by ensuring that if the primary data store fails, an up-to-date replica is available to restore operations. Mirroring may be implemented through storage replication, database replication, or real-time backup technologies, and it is often used for high-availability systems that require minimal data loss. This approach directly supports business continuity goals by reducing recovery time and limiting the recovery point, meaning less data is lost between the failure and the restored system. User authentication and data encryption are critical security controls, but they do not by themselves ensure operational continuity after outages or disasters. Service variety is not a standard continuity strategy term in most IT curricula. Business continuity focuses on redundancy, replication, failover, and recovery processes. Since mirroring creates a continuously updated duplicate of critical data, it is a core strategy used to maintain availability and speed restoration. Therefore, the correct answer is data mirroring.

Healthcare providers need to consider the Health Insurance Portability and Accountability Act of 1996 (HIPAA) to ensure that they do not illegally provide patient information1. HIPAA establishes national standards to protect individuals’ medical records and other individually identifiable health information, including protected health information2. It applies to health plans, health care clearinghouses, and health care providers that conduct certain health care transactions electronically2. The Privacy Rule within HIPAA sets a baseline of protection for health information and allows patients to choose whether their health information may be disclosed for specific purposes such as treatment, payment, and health care operations3. Therefore, healthcare providers partnering with local hospitals and health centers should adhere to HIPAA guidelines to safeguard patient privacy.